Equivalent & Substitute Parts for EEE-FC1V3R3R

Part Overview

The EEE-FC1V3R3R is a 3.3 µF, 35 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Panasonic Electronic Components. This part is designated as "Not For New Designs," indicating it has reached end-of-life status. Finding equivalent and substitute parts is necessary to support existing designs, maintain production continuity, and ensure long-term component availability for legacy systems.

Key Parameters

Parameter	Value
Capacitance	3.3 µF
Tolerance	±20%
Voltage Rating	35 V
Lifetime @ Temperature	1000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Package Type	Radial, Can - SMD
Physical Size	0.157" Dia (4.00mm), Height 0.213" (5.40mm)
Surface Mount Land Size	0.169" L x 0.169" W (4.30mm x 4.30mm)
Polarization	Polar
Ratings	AEC-Q200
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution for the EEE-FC1V3R3R is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Capacitance value: 3.3 µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage rating: 35 V minimum (equal or higher voltage ratings are acceptable)
Package type: Radial, Can - SMD (exact match required)
Physical dimensions: 0.157" Dia (4.00mm), Height 0.213" (5.40mm) maximum
Surface mount land size: 0.169" L x 0.169" W (4.30mm x 4.30mm)
Polarization: Polar (exact match required)
AEC-Q200 automotive rating compliance

Secondary Considerations:

Lifetime rating at 105°C (1000 Hrs minimum acceptable)
Operating temperature range: -40°C ~ 105°C minimum
RoHS compliance status
Product status (Active preferred over Not For New Designs)

Substitute parts are grouped into two categories:

Category 1: Direct Equivalents (Same Voltage Rating - 35V)

EEE-FC1V3R3AR (Panasonic FC series, 35V, Active status)
UWG1V3R3MCL1GB (Nichicon UWG series, 35V, Active status)

Category 2: Upgraded Substitutes (Higher Voltage Rating - 50V)

EEE-FC1H3R3R (Panasonic FC series, 50V)
EEE-HA1H3R3R (Panasonic HA series, 50V)
EEE-HA1H3R3AR (Panasonic HA series, 50V)
EEE-HB1H3R3R (Panasonic HB series, 50V, 2000 Hrs lifetime, Active status)
EEE-HB1H3R3AR (Panasonic HB series, 50V, 2000 Hrs lifetime, Active status)

Higher voltage ratings provide additional design margin and are electrically compatible in circuits designed for 35 V operation.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Lifetime @ 105°C	Size (Dia x Height)	Product Status	RoHS Status
EEE-FC1V3R3R	Panasonic	3.3 µF	±20%	35 V	1000 Hrs	4.00mm x 5.40mm	Not For New Designs	RoHS Compliant
EEE-FC1V3R3AR	Panasonic	3.3 µF	±20%	35 V	1000 Hrs	4.00mm x 5.40mm	Not For New Designs	RoHS Compliant
UWG1V3R3MCL1GB	Nichicon	3.3 µF	±20%	35 V	1000 Hrs	4.00mm x 5.40mm	Active	ROHS3 Compliant
EEE-FC1H3R3R	Panasonic	3.3 µF	±20%	50 V	1000 Hrs	4.00mm x 5.40mm	Not For New Designs	RoHS Compliant
EEE-HA1H3R3R	Panasonic	3.3 µF	±20%	50 V	1000 Hrs	4.00mm x 5.40mm	Not For New Designs	RoHS Compliant
EEE-HA1H3R3AR	Panasonic	3.3 µF	±20%	50 V	1000 Hrs	4.00mm x 5.40mm	Not For New Designs	RoHS Compliant
EEE-HB1H3R3R	Panasonic	3.3 µF	±20%	50 V	2000 Hrs	4.00mm x 5.80mm	Active	ROHS3 Compliant
EEE-HB1H3R3AR	Panasonic	3.3 µF	±20%	50 V	2000 Hrs	4.00mm x 5.80mm	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications):

UWG1V3R3MCL1GB (Nichicon) is the preferred direct substitute. It maintains identical capacitance, tolerance, voltage rating, and lifetime specifications while offering Active product status and ROHS3 compliance. This part is suitable for immediate deployment in new production runs.

EEE-FC1V3R3AR (Panasonic) provides an alternative direct equivalent with matching electrical characteristics. However, its "Not For New Designs" status indicates limited long-term availability.

For Upgraded Substitution (Higher Voltage Rating):

EEE-HB1H3R3R and EEE-HB1H3R3AR (Panasonic HB series) are the recommended upgraded substitutes. Both parts offer:

Active product status ensuring continued availability
ROHS3 compliance
Doubled lifetime rating (2000 Hrs @ 105°C versus 1000 Hrs)
50 V voltage rating providing additional design margin
Identical capacitance and tolerance specifications

The HB series parts are electrically compatible in all applications designed for 35 V operation. The increased height (5.80mm versus 5.40mm) must be verified against PCB layout constraints.

EEE-FC1H3R3R and EEE-HA series parts (50 V rating) provide intermediate upgrade options with equivalent electrical performance but "Not For New Designs" status, limiting their suitability for long-term production.

Frequently Asked Questions (FAQ)

Q: Can I use a 50 V rated capacitor in place of a 35 V rated capacitor?

A: Yes. Higher voltage ratings are electrically compatible in circuits designed for lower voltages. The 50 V rated substitutes (EEE-FC1H3R3R, EEE-HA series, EEE-HB series) provide additional design margin and are suitable direct replacements from an electrical standpoint. Physical dimensions must be verified against PCB layout.

Q: What is the difference between the EEE-HB1H3R3R and EEE-HA1H3R3R?

A: Both parts share identical electrical specifications (3.3 µF, ±20%, 50 V). The primary differences are: EEE-HB series offers 2000 Hrs lifetime at 105°C (versus 1000 Hrs for HA series), Active product status (versus Not For New Designs), ROHS3 compliance, and slightly increased height (5.80mm versus 5.40mm). The HB series is preferred for new designs.

Q: Are all substitute parts AEC-Q200 rated?

A: Yes. All parts listed maintain AEC-Q200 automotive qualification, ensuring compliance with automotive reliability standards.

Q: What is the impact of the height difference between EEE-HB series (5.80mm) and the original EEE-FC1V3R3R (5.40mm)?

A: The 0.40mm height increase must be evaluated against PCB layout clearance requirements. If vertical space is constrained, EEE-FC1H3R3R, EEE-HA1H3R3R, or EEE-HA1H3R3AR maintain the original 5.40mm height while providing 50 V rating. UWG1V3R3MCL1GB maintains the original height and voltage rating.

Q: Why is UWG1V3R3MCL1GB (Nichicon) recommended over Panasonic alternatives?

A: UWG1V3R3MCL1GB offers Active product status and ROHS3 compliance, ensuring long-term availability and regulatory compliance. It matches all electrical and physical specifications of the original EEE-FC1V3R3R while providing superior lifecycle support.

Q: Can I mix different substitute parts in the same design?

A: Yes, provided all parts meet the circuit's electrical requirements (capacitance, tolerance, voltage rating, ripple current, and operating temperature). However, using a single part number across production is recommended for supply chain consistency and traceability.

Q: What does "Not For New Designs" mean?

A: This designation indicates the part has reached end-of-life and is no longer recommended for new product development. Existing inventory may remain available, but long-term supply cannot be guaranteed. Active status parts (UWG1V3R3MCL1GB, EEE-HB1H3R3R, EEE-HB1H3R3AR) are preferred for designs with extended production lifecycles.

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